PMID: 1181556Jan 1, 1975Paper

[Case of male pseudohermaphroditism in cattle. (Bos taurus L.) with a 60 XY karyotype].

Polskie archiwum weterynaryjne
P SysaA Kuńska

Abstract

The clinical, anatomical, histological and cytogenetical evaluation has been made of a case of pseudohermaphroditism in domestic cattle. A 1,5 year old bull of unknown origin with general male features and male sexual orientation has been studied. It showed an underdeveloped udder and external female reproductive organs. The internal male genital organs showed underdeveloped testes and epididymis, vasa deferentia, vesicular glands, small penis and the clitoris-like glans penis. There were also remnants of female genital organs: uterus with uteri horns situated along the vasa deferentia and the vagina. The testes lacked germinal cells. The 60,XY karyotype has been stated on the basis of the blood lymphocyte culture. No Barr bodies have been found in the tissues. The possibility of development of this anomaly as freemartinism syndrome has been discussed. The obtained cytogenetical results enabled us to put forward the hypothesis that the bull did not derive from a heterosexual twin pregnancy. The possibility of absence of the hypothetic "X" factor (according to Jost), as a cause of this male external and internal pseudohermaphroditism has also been reviewed.

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